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Latest Details
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Name
  V1804 Sgr  
AAVSO UID
000-BFG-220 (No observations)  
Constellation
Sagittarius Sequence
J2000.0
18 05 02.24 -28 01 54.2  (271.25933 -28.03172) Search nearby
B1950.0 18 01 52.95 -28 02 09.7
Proper motion
RA: -2.8 +/- 3.5 mas/yDec: 7.8 +/- 3.5 mas/ySource: UCAC4
Galactic coord. 2.933 -3.229
Other names

(Internal only)
2MASS J18050223-2801541 ASAS J180502-2801.9 ASASSN-V J180502.28-280153.3
IRAS 18018-2802 IRC -30350 PARK 1 4068
RAFGL 2061    
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Variability type
M
Spectral type M9.5
Mag. range
10.5 - <13.1 V
Discoverer --
Epoch
18 Sep 2004 (HJD 2453267) Ephemeris
Outburst --
Period 472 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Crowded area.
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References
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1 The All Sky Automated Survey 2002AcA....52..397P
2 L.Plaut, Leid Ann 21, N3, 1958. --
External Links
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Location    Go   
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 3.31H = 2.34K = 1.70J - K = 1.61
AllWISE W3 = -1.15W4 = -2.29W3 - W4 = 1.14
APASS-DR9 B = 14.99V = 12.96g' = 14.35r' = 11.11B - V = 2.03
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 18 05 02.24 -28 01 54.2 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-12-29 19:32 UTC Type, period, epoch and maximum magnitude from ASAS-3 data. Minimum magnitude derived from UCAC3.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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